Type-species: Yimnashaniana jianfenglingensis Hua, sp. nov. (Fig. 1) This new genus is very similar to the genus Yimnashana Gressitt 1937, but can be distinguished by the following characters: the internal side of each scape bearing a stout spine, the prothorax narrower than the humeri of elytra and the lateral tubercules of prothorax indistinct, etc.

Yimnashaniana jianfenglingensis Hua, sp. nov. (Fig. 1)Male, Small, elongate, reddish brown, body covered throughout with sparse silvery-white to yellow-brown erect long hairs. Head reddish brown, eyes and lower margin of external side of mandibles black. Pronotum dark reddish brown. Scutellum reddish brown. Elytra reddish brown, on the disc each with two oblique bands of silvery-white fine pubescence, the first broader, arising from the external margin beneath the shoulder and obliquely directly to the inside of disc, and then passing behind the basal tubercle and reaching to the suture; the second shorter and smaller, situated in the apical fourth, obliquely extending externally backwards and reaching to the external margin.

- third segment about as long as scape, not quite as long as fourth; fith shorter than scape, two-third as long as fourth : pour mes spécimens, scape plus court que le segment3, segment 3 = segment4, 5ème = scape